{
    "tender_id": 3937517,
    "check": {
        "ok": true,
        "versions": 3,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-29T12:55:08Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127794\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA POMPY R1A5063R4023C52B1H1D3D3AA LD8\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127794\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:42:00Z\"}",
            "content_hash": "50de804cffc6b08277f1f26f07d68c955cf47f3f47e4052f1ffde58ce0368a82",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2bd83857fb50ecfe876ece47ae73d1567fa3865b97a5896a981ce2c9db0d5d42",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T13:45:31Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127794\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA POMPY R1A5063R4023C52B1H1D3D3AA LD8\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127794\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:42:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127794\"}",
            "content_hash": "7e521f23bc98a9e09a87d8222941a322a6fddf829156b8a1d43d8ad0742140fd",
            "prev_hash": "2bd83857fb50ecfe876ece47ae73d1567fa3865b97a5896a981ce2c9db0d5d42",
            "hash": "fa708c5057f6d547b6d64c8629d9a4ffd633cf88994d8e4a73d9f235613538ad",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T16:45:25Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127794\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA POMPY R1A5063R4023C52B1H1D3D3AA LD8\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127794\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T09:42:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860341/dostawa-pompy-r1a5063r4023c52b1h1d3d3aa-ld8\"}",
            "content_hash": "57c4d4d7ac971b46928d9df46027697d656352c3ab146750080f40b44d752b8e",
            "prev_hash": "fa708c5057f6d547b6d64c8629d9a4ffd633cf88994d8e4a73d9f235613538ad",
            "hash": "b967309e093333781210e8aa7fed1fd1dddec62ee6c2be20faaad03fd223c2c6",
            "actor": null,
            "seal": null
        }
    ]
}